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<p>
    What way to compare the pattern specified to the actual value.
    <!-- TODO Update when new Comparators are added-->
    Possible values are:
<ul>
    <li><strong>EQUALS</strong> - A plain string comparison</li>
    <li><strong>GLOB</strong> - <a href="https://ant.apache.org/manual/dirtasks.html#patterns">ANT style pattern</a></li>
    <li><strong>REGEXP</strong> - <a href="https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html">Regular Expression</a></li>
</ul>
If not specified <strong>GLOB</strong> will be used as default.
</p>
